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Universal Display Corporation
OLED, enabling energy-efficient
displays and lighting with its UniversalPHOLED^® technology and materials,
today announced that the European Patent Office (EPO) issued a decision on the
previously-disclosed appeal of a prior ruling relating to the Company's
European Patent No. 1449238 (the EP '238 patent). The EPO panel revoked the
patent previously allowed by the lower EPO, which had upheld the broadest
claim of coverage for organometallic iridium device architectures. The
opposing parties included Sumitomo Chemical Company, Merck Patent GmbH and
BASF SE.
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